The Mesh Tattoo Ink Holder System. Sold by 30 holder by themselves or Set with 30 holder and metal board. 30pcs Mesh Magnetic Holders: (No Metal Board) - Can be used with any metal surface or workstation - - Hold your inks vertically straight or horizonal - - Works best with 1-oz (1" wide) & 2-oz bottle (1.25" wide) - - Will fit 1/2-oz perfectly but may sit shorter in the holder - - Will also fit the 4-oz (1.5" wide) but can only be mounted vertical, horizontal will be too heavy- Mesh Set Includes: Mesh Metal Board (16.5" Inch Wide x 11.5" Inch Tall) - Holes on back to mount to wall - - Use double sided tape to mount to any surface - - Use Kick Stand to place on work station at a 70 degree angle - 30pcs Magnetic Bottle Holder - Hold your inks vertically straight or horizonal - - Works best with 1-oz (1" wide) & 2-oz bottle (1.25" wide) - - Will fit 1/2-oz perfectly but may sit shorter in the holder - - Will also fit the 4-oz (1.5" wide) but can only be mounted vertical, horizontal will be too heavy-